Symptoms include excessive sweating, tiredness, nausea, vomiting, faintness, headaches and cramps. You should rest in a cool place and sip cool, salty drinks.

• 其症状为大量淌汗、疲劳、恶心、呕吐、晕眩、头痛及痉挛，这时你应该在阴凉的地方休息一下，喝几口凉的、微咸的饮料。